diff --git a/sources/src/main/java/pr2/auffrischung/grossmacher/GrossmacherLambda.java b/sources/src/main/java/pr2/auffrischung/grossmacher/GrossmacherLambda.java
index 9a80135..bbb1e9d 100644
--- a/sources/src/main/java/pr2/auffrischung/grossmacher/GrossmacherLambda.java
+++ b/sources/src/main/java/pr2/auffrischung/grossmacher/GrossmacherLambda.java
@@ -3,7 +3,7 @@ package pr2.auffrischung.grossmacher;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-public class Grossmacher_Lambda {
+public class GrossmacherLambda {
 
     public static void main(String[] args) {